| 1 | /* |
| 2 | * kernel.h |
| 3 | * |
| 4 | * Linux Trace Toolkit Control Library Header File |
| 5 | * |
| 6 | * Copyright (C) 2023 Kienan Stewart <kstewart@efficios.com> |
| 7 | * |
| 8 | * SPDX-License-Identifier; LGPL-2.1-only |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #ifndef LTTNG_KERNEL_H |
| 13 | #define LTTNG_KERNEL_H |
| 14 | |
| 15 | #ifdef __cplusplus |
| 16 | extern "C" { |
| 17 | #endif |
| 18 | |
| 19 | enum lttng_kernel_tracer_status { |
| 20 | /* Loaded without error. */ |
| 21 | LTTNG_KERNEL_TRACER_STATUS_INITIALIZED = 0, |
| 22 | /* Unknown error. */ |
| 23 | LTTNG_KERNEL_TRACER_STATUS_ERR_UNKNOWN = -1, |
| 24 | /* lttng-sessiond isn't running as root. */ |
| 25 | LTTNG_KERNEL_TRACER_STATUS_ERR_NEED_ROOT = -2, |
| 26 | /* Notifier setup failed. */ |
| 27 | LTTNG_KERNEL_TRACER_STATUS_ERR_NOTIFIER = -3, |
| 28 | /* Failed to open /proc/lttng. */ |
| 29 | LTTNG_KERNEL_TRACER_STATUS_ERR_OPEN_PROC_LTTNG = -4, |
| 30 | /* Version mismatch between kernel tracer and kernel tracer ABI. */ |
| 31 | LTTNG_KERNEL_TRACER_STATUS_ERR_VERSION_MISMATCH = -5, |
| 32 | /* Kernel module loading failed. */ |
| 33 | LTTNG_KERNEL_TRACER_STATUS_ERR_MODULES_UNKNOWN = -6, |
| 34 | /* Kernel modules missing. */ |
| 35 | LTTNG_KERNEL_TRACER_STATUS_ERR_MODULES_MISSING = -7, |
| 36 | /* Kernel module signature error. */ |
| 37 | LTTNG_KERNEL_TRACER_STATUS_ERR_MODULES_SIGNATURE = -8, |
| 38 | }; |
| 39 | |
| 40 | #ifdef __cplusplus |
| 41 | } |
| 42 | #endif |
| 43 | |
| 44 | #endif /* LTTNG_KERNEL_H */ |